157147641420 has 96 divisors (see below), whose sum is σ = 548588146176. Its totient is φ = 32654054400.

The previous prime is 157147641379. The next prime is 157147641421. The reversal of 157147641420 is 24146741751.

157147641420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (157147641421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17002701 + ... + 17011940.

It is an arithmetic number, because the mean of its divisors is an integer number (5714459856).

Almost surely, 2^157147641420 is an apocalyptic number.

157147641420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157147641420 is an abundant number, since it is smaller than the sum of its proper divisors (391440504756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157147641420 is a wasteful number, since it uses less digits than its factorization.

157147641420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34014671 (or 34014669 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 157147641420 in words is "one hundred fifty-seven billion, one hundred forty-seven million, six hundred forty-one thousand, four hundred twenty".